Classic Dungeon LED Curved Corner is part of the Dungeon of Doom series. It took parts of the original Game Tiles (KS1) series, and redesigned their look and package. It is made of "Dwarvenite." Some parts have LED circuitry (switch, battery, and socket) to support LED lighting attachments. This item was initially available as an add-on pack during the Dungeon of Doom Kickstarter. The item comes in both painted and unpainted versions. Classic Dungeon LED Curved Corner comes with these 12 pieces: (4) Classic Dungeon LED Curved Corner (4) 1x1 Dungeon Floor (4) LED Angled Torch